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Results tagged with rs232
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user 23578
RS-232 is the electrical standard used on most serial ports. Note that this standard is a +/- 15 volt system and requires a FDMI converter to make it compatible with TTL logic levels.
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How to send ASYNC 8,N,1 serial data over an SPI interface using two Arduino Uno boards
System design follows:
RS232 modem 19,200,8,N,1 --> UNO-1 D0=(rx), D1=(tx). RS232 parameters cannot be changed because the device is hardcoded. … Parsed data must be sent to another RS232 modem but unfortunately this device is hardcoded for 9,600, 7,E,2. There is only one USART o the UNO. …
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